Question 1(iv)Distinguish between the following pairs on the basis of the words indicated in the brackets [].Sympathetic and Parasympathetic nervous system. [Function]

Question

Accepted Answer

Differences between Sympathetic and Parasympathetic nervous system on the basis of function:Sympathetic nervous systemParasympathetic nervous systemSympathetic nervous system produces immediate fight or flight responses against abnormal conditions.The parasympathetic nervous system re-establishes the normal conditions of the body after a fight or flight response.For example, sympathetic nervous system may increase the heart rate to meet the oxygen demand of the body during abnormal conditions.For example, parasympathetic nervous system relaxes the heart rate after the abnormal situation has passed.

Sympathetic nervous system	Parasympathetic nervous system
Sympathetic nervous system produces immediate fight or flight responses against abnormal conditions.	The parasympathetic nervous system re-establishes the normal conditions of the body after a fight or flight response.
For example, sympathetic nervous system may increase the heart rate to meet the oxygen demand of the body during abnormal conditions.	For example, parasympathetic nervous system relaxes the heart rate after the abnormal situation has passed.

Nervous System — Question 4

Question 1(iv)